Home / 1,520,681.64-2,098,535.14-822,961.07

Finding the Fourth Proportional to 1,520,681.64, 2,098,535.14 and 822,961.07

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Solution

The fourth proportional to 1,520,681.64, 2,098,535.14 and 822,961.07 is: 1,135,683.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,681.64 : 2,098,535.14 = 822,961.07 : x
  2. Step 2: Convert to fraction form
    1,520,681.64/2,098,535.14 = 822,961.07/x
  3. Step 3: Cross multiply
    1,520,681.64x = 2,098,535.14 × 822,961.07
  4. Step 4: Simplify right side
    1,520,681.64x = 1,727,012,720,132.19
  5. Step 5: Solve for x
    x = 1,727,012,720,132.19/1,520,681.64
  6. Step 6: Final answer
    x = 1,135,683.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.